<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Insert title here</title>
    <style type="text/css">
        #div1 {
            height: 300px;
            width: 300px;
            margin: 200px auto;
            background-color: red;
        }
    </style>
</head>
<body>
<div id='div1'>DIV1</div>
<div id='div2'>DIV2</div>
<div id='div3'>DIV3</div>
<div id='div4'>DIV4</div>
<div id='div5'>DIV5</div>
<script type="text/javascript">
</script>
</body>
</html>